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Finding the Fourth Proportional to 27,859.64, 41,784.92 and 8,133.56

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Solution

The fourth proportional to 27,859.64, 41,784.92 and 8,133.56 is: 12,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.64 : 41,784.92 = 8,133.56 : x
  2. Step 2: Convert to fraction form
    27,859.64/41,784.92 = 8,133.56/x
  3. Step 3: Cross multiply
    27,859.64x = 41,784.92 × 8,133.56
  4. Step 4: Simplify right side
    27,859.64x = 339,860,153.92
  5. Step 5: Solve for x
    x = 339,860,153.92/27,859.64
  6. Step 6: Final answer
    x = 12,199.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.